122547765475 has 24 divisors (see below), whose sum is σ = 157534595712. Its totient is φ = 94468358400.

The previous prime is 122547765451. The next prime is 122547765481. The reversal of 122547765475 is 574567745221.

It is not a de Polignac number, because 122547765475 - 2¹⁵ = 122547732707 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 158752 + ... + 519901.

It is an arithmetic number, because the mean of its divisors is an integer number (6563941488).

Almost surely, 2^122547765475 is an apocalyptic number.

122547765475 is a deficient number, since it is larger than the sum of its proper divisors (34986830237).

122547765475 is a wasteful number, since it uses less digits than its factorization.

122547765475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678927 (or 678922 counting only the distinct ones).

The product of its digits is 16464000, while the sum is 55.

The spelling of 122547765475 in words is "one hundred twenty-two billion, five hundred forty-seven million, seven hundred sixty-five thousand, four hundred seventy-five".